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สามเหลี่ยมพีทาโกรัส
Author:
สุบิน ศรภักดี
GeoGebra
New Resources
Slanted or Curved Lines?
Umbrella Holder
Mapping Rectangles into Discs
Open Middle Sector Area Exercise
π = 4 ?
Discover Resources
Start, Copy an Angle
Selidik Panjang Busur Lingkaran
Weird Octagon
Circle Area (By Peeling!)
One Hundred and Eighty: IM Geo.1.21
Discover Topics
Geometry
Tangent Function
Random Variables
Bar Chart or Bar Graph
Quadrilaterals